Answer:
Explanation:
Scientists have converted skin cells from healthy adults directly into motor ... human motor neurons growing in the lab would be a new tool since researchers can't ... Scientists working to develop new treatments for neurodegenerative ... And importantly, avoiding a stem cell state allows the resulting motor ...
They generally test for infections, changes in body tissue and organs, and they test for the presence of chemicals such as drugs or poisons.
Answer:
I believe it would either be A or D hope that helps sorry not much help
